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			 The ornamental design for a mop head, as shown and described.  | 
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FIG. 1 is a top plan view of the design of my present invention;
FIG. 2 is a front elevational view, and is a mirror image of the back view;
FIG. 3 is a left end view;
FIG. 4 is a right end view;
FIG. 5 is a bottom plan view;
FIG. 6 is a perspective view of the design of my present invention as folded for use, illustrating a handle attachment which is shown in phantom;
FIG. 7 is a top view of the design of my present invention as folded for use;
FIG. 8 is a left elevational view of the design of my present invention as illustrated in FIG. 7;
FIG. 9 is a front elevational view of the design of my present invention as illustrated in FIG. 7;
FIG. 10 is a right elevational view of the design of my present invention as illustrated in FIG. 7; and,
FIG. 11 is a bottom view of the design of my present invention as illustrated in FIG. 7.
Williams, Todd A., Williams, Richard A.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Nov 03 1994 | Economics in Technology | (assignment on the face of the patent) | / | |||
| Nov 03 1994 | WILLIAMS, RICHARD A | Economics in Technology | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007196 | /0872 | |
| Nov 03 1994 | WILLIAMS, TODD A | Economics in Technology | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007196 | /0872 | |
| Mar 03 1999 | ECOT, INC , DBA ECONOMICS IN TECHNOLOGY | S C JOHNSON COMMERCIAL MARKETS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009857 | /0408 | |
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| Nov 24 2009 | JOHNSONDIVERSEY, INC | CITIBANK, N A , AS ADMINISTRATIVE AGENT | SECURITY AGREEMENT | 023814 | /0701 | |
| Oct 03 2011 | CITIBANK, N A , AS ADMINISTRATIVE AGENT | DIVERSEY, INC FORMERLY KNOWN AS JOHNSONDIVERSEY, INC | RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS | 027618 | /0044 | 
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